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authorReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
committerReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
commitf4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch)
tree2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/extras/fontconfig/doc/fcstring.fncs
parenta840692edc9c6d19cd7c057f68e39c7d95eb767d (diff)
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Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository
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+/*
+ * $Id: fcstring.fncs,v 1.3 2005/06/28 01:01:03 alanc Exp $
+ *
+ * Copyright © 2003 Keith Packard
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Keith Packard makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+ <variablelist>
+
+@RET@ int
+@FUNC@ FcUtf8ToUcs4
+@TYPE1@ FcChar8 * @ARG1@ src
+@TYPE2@ FcChar32 * @ARG2@ dst
+@TYPE3@ int @ARG3@ len
+@PURPOSE@ convert UTF-8 to UCS4
+@DESC@
+Converts the next Unicode char from <parameter>src</parameter> into
+<parameter>dst</parameter> and returns the number of bytes containing the
+char. <parameter>src</parameter> nust be at least
+<parameter>len</parameter> bytes long.
+@@
+
+@RET@ int
+@FUNC@ FcUcs4ToUtf8
+@TYPE1@ FcChar32 @ARG1@ src
+@TYPE2@ FcChar8 @ARG2@ dst[FC_UTF8_MAX_LEN]
+@PURPOSE@ convert UCS4 to UTF-8
+@DESC@
+Converts the Unicode char from <parameter>src</parameter> into
+<parameter>dst</parameter> and returns the number of bytes needed to encode
+the char.
+@@
+
+@RET@ FcBool
+@FUNC@ FcUtf8Len
+@TYPE1@ FcChar8 * @ARG1@ src
+@TYPE2@ int @ARG2@ len
+@TYPE3@ int * @ARG3@ nchar
+@TYPE4@ int * @ARG4@ wchar
+@PURPOSE@ count UTF-8 encoded chars
+@DESC@
+Counts the number of Unicode chars in <parameter>len</parameter> bytes of
+<parameter>src</parameter>. Places that count in
+<parameter>nchar</parameter>. <parameter>wchar</parameter> contains 1, 2 or
+4 depending on the number of bytes needed to hold the largest unicode char
+counted. The return value indicates whether <parameter>src</parameter> is a
+well-formed UTF8 string.
+@@
+
+@RET@ int
+@FUNC@ FcUtf16ToUcs4
+@TYPE1@ FcChar8 * @ARG1@ src
+@TYPE2@ FcEndian @ARG2@ endian
+@TYPE3@ FcChar32 * @ARG3@ dst
+@TYPE4@ int @ARG4@ len
+@PURPOSE@ convert UTF-16 to UCS4
+@DESC@
+Converts the next Unicode char from <parameter>src</parameter> into
+<parameter>dst</parameter> and returns the number of bytes containing the
+char. <parameter>src</parameter> must be at least <parameter>len</parameter>
+bytes long. Bytes of <parameter>src</parameter> are combined into 16-bit
+units according to <parameter>endian</parameter>.
+@@
+
+@RET@ FcBool
+@FUNC@ FcUtf16Len
+@TYPE1@ FcChar8 * @ARG1@ src
+@TYPE2@ FcEndian @ARG2@ endian
+@TYPE3@ int @ARG3@ len
+@TYPE4@ int * @ARG4@ nchar
+@TYPE5@ int * @ARG5@ wchar
+@PURPOSE@ count UTF-16 encoded chars
+@DESC@
+Counts the number of Unicode chars in <parameter>len</parameter> bytes of
+<parameter>src</parameter>. Bytes of <parameter>src</parameter> are
+combined into 16-bit units according to <parameter>endian</parameter>.
+Places that count in <parameter>nchar</parameter>.
+<parameter>wchar</parameter> contains 1, 2 or 4 depending on the number of
+bytes needed to hold the largest unicode char counted. The return value
+indicates whether <parameter>string</parameter> is a well-formed UTF16
+string.
+@@
+
+@RET@ FcChar8 *
+@FUNC@ FcStrCopy
+@TYPE1@ const FcChar8 * @ARG1@ s
+@PURPOSE@ duplicate a string
+@DESC@
+Allocates memory, copies <parameter>s</parameter> and returns the resulting
+buffer. Yes, this is <function>strdup</function>, but that function isn't
+available on every platform.
+@@
+
+@RET@ FcChar8 *
+@FUNC@ FcStrDowncase
+@TYPE1@ const FcChar8 * @ARG1@ s
+@PURPOSE@ create a lower case translation of a string
+@DESC@
+Allocates memory, copies <parameter>s</parameter>, converting upper case
+letters to lower case and returns the allocated buffer.
+@@
+
+@RET@ FcChar8 *
+@FUNC@ FcStrCopyFilename
+@TYPE1@ const FcChar8 * @ARG1@ s
+@PURPOSE@ copy a string, expanding '~'
+@DESC@
+Just like FcStrCopy except that it converts any leading '~' characters in
+<parameter>s</parameter> to the value of the HOME environment variable.
+Returns NULL if '~' is present in <parameter>s</parameter> and HOME is unset.
+@@
+
+@RET@ int
+@FUNC@ FcStrCmpIgnoreCase
+@TYPE1@ const FcChar8 * @ARG1@ s1
+@TYPE2@ const FcChar8 * @ARG2@ s2
+@PURPOSE@ compare UTF-8 strings ignoring ASCII case
+@DESC@
+Returns the usual &lt;0, 0, &gt;0 result of comparing
+<parameter>s1</parameter> and <parameter>s2</parameter>. This test is
+case-insensitive in the ASCII range and will operate properly with UTF8
+encoded strings, although it does not check for well formed strings.
+@@
+
+@RET@ FcChar8 *
+@FUNC@ FcStrStr
+@TYPE1@ const char * @ARG1@ s1
+@TYPE2@ const char * @ARG2@ s2
+@PURPOSE@ locate UTF-8 substring
+@DESC@
+Returns the location of <parameter>s2</parameter> in
+<parameter>s1</parameter>. Returns NULL if <parameter>s2</parameter>
+is not present in <parameter>s1</parameter>. This test will operate properly
+with UTF8 encoded strings, although it does not check for well formed
+strings.
+@@
+
+@RET@ FcChar8 *
+@FUNC@ FcStrStrIgnoreCase
+@TYPE1@ const char * @ARG1@ s1
+@TYPE2@ const char * @ARG2@ s2
+@PURPOSE@ locate UTF-8 substring ignoring ASCII case
+@DESC@
+Returns the location of <parameter>s2</parameter> in
+<parameter>s1</parameter>, ignoring ASCII case. Returns NULL if
+<parameter>s2</parameter> is not present in <parameter>s1</parameter>.
+This test is case-insensitive in the ASCII range and will operate properly
+with UTF8 encoded strings, although it does not check for well formed
+strings.
+@@
+
+@RET@ FcChar8 *
+@FUNC@ FcStrDirname
+@TYPE1@ const FcChar8 * @ARG1@ file
+@PURPOSE@ directory part of filename
+@DESC@
+Returns the directory containing <parameter>file</parameter>. This
+is returned in newly allocated storage which should be freed when no longer
+needed.
+@@
+
+@RET@ FcChar8 *
+@FUNC@ FcStrBasename
+@TYPE1@ const FcChar8 * @ARG1@ file
+@PURPOSE@ last component of filename
+@DESC@
+Returns the filename of <parameter>file</parameter> stripped of any leading
+directory names. This is returned in newly allocated storage which should
+be freed when no longer needed.
+@@